Bock Water heaters 51E-BCS Water Heater User Manual


 
Sidewall Vented
Oil & Gas Water Heaters
5-Year limited warranty on residential installations
3-Year limited warranty on commercial installations
Featuring Bock’s Legendary
The heat exchanger with
hundreds of turbons to
boost heat transfer --
heating water faster
with less fuel.
20 to 113 Gallon capacities
60,000 to 190,000 BTU
Cobalt-enriched Glass-Lined Tank
Dual Magnesium Anode Rods to Inhibit
Corrosion
Stainless steel concentric sidewall vent for maximum durability and
easy installation. BCS sidewall venting offers these benets:
Air is warmed before entering burner to
improve combustion efciency
Burner operation is unaffected by
room exhaust fans or negative air issues
Corrosive aerosols near water heater
are not drawn into burner
Balanced
Combusion
System
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